S U B J E C T I N D E X
751
" G r o u n d mat",
laid d o w n b y cells, 197, 493
Ground-substance (see also Matrix),
mucopolysaccharides in, 355, 357
transport in, 357
Growth,
and amino-acid incorporation, 331
and anaerobiosis, 255, 257
antibiotics and, 117
and antimetabolites (analogues), 572
and anti-organ sera, 574
area of, 592
of blastoderms, 566
in cell aggregates, 519
clones and study of, 68
compensatory, 573
corticosteroids and, 607-8
and differentiation, 244, 341, 467, 476,
571
flask cultures and, 4 1 - 2
glycolysis and, 2 5 4 - 5 , 257
inhibitors of, 41, 257, 572-4, 617
insulin and, 264, 593
measurement of, 4 2 - 3 , 247
metabolic inhibitors and, 253
oestrogens and, 617
organ cultures and, 70
oxygen tension and, 260
-promoting factor, 292
separate from cell division, 228
stimulation of, 5, 41
suspension cultures and, 69
thyroxine, T 3 and, 640, 644
tissue culture and, 3, 4
unorganized, 4, 70, 145, 148, 157,173,
644
vitamins and, 660, 682, 685
Growth hormone (see also Somatotrophin)
593-601
on bone growth, 600
in combination with insulin, 5 9 4 - 5 ,
6 0 0 - 1 , 615
and corticosteroids, 607-8, 615
on fibroblasts, 594, 607-8
and glucokinase reaction, 595, 601
and gonadotrophins, 606
and mammary gland, 638
and mitotic rate, 5 9 4 - 5 , 607
and protein synthesis, 601
Growth rate (see also Mitotic index),
amino acids and, 113, 570
of blastoderms, 570
of b o n e rudiments, 614, 641
calcium and, 155
and carbohydrate metabolism, 244
and dedifferentiation, 294
and migration rate, 153
and mucopolysaccharide production,
373, 376
and protein turnover, 293
of skin and pigment formation, 644
steroids and, 167
thyroxine and, 641
triiodothyronine and, 643
Guanine,
and cytosine, 319, 445
in D N A and R N A , 317
precursors of, 300
Gulonic acid,
and vitamin G, 682
Gut,
regions o f gastrula developing, 536-7
Gynandromorphism, 581
H
Haemoglobin,
embryological appearance of, 578
in medium, 82
toxicity of, 82
Haemopoiesis,
mitosis in, 224
Hair follicles,
regeneration o f epidermis from, 667
Hallochrome,
and melanin formation, 644
Hanging-drop method,
advantages and disadvantages, 36-8
alteration o f cells in, 33, 37
for culture o f ova, 576
description of, 29-38
double-coverslip method of, 38
mica and, 29, 32
origin of, 3
for self-aggregation, 494, 502
Hanks' solution, 100, 109, 131, 298
Hanks' and Wallace's solution, 100, 129,
131
Hassall's corpuscles, 143
Head-fold ( H F ) ,
stage o f blastoderm, 472
H e a d process,
induction b y different parts, 557, 558
stage, reached b y mammalian ova, 578
751
" G r o u n d mat",
laid d o w n b y cells, 197, 493
Ground-substance (see also Matrix),
mucopolysaccharides in, 355, 357
transport in, 357
Growth,
and amino-acid incorporation, 331
and anaerobiosis, 255, 257
antibiotics and, 117
and antimetabolites (analogues), 572
and anti-organ sera, 574
area of, 592
of blastoderms, 566
in cell aggregates, 519
clones and study of, 68
compensatory, 573
corticosteroids and, 607-8
and differentiation, 244, 341, 467, 476,
571
flask cultures and, 4 1 - 2
glycolysis and, 2 5 4 - 5 , 257
inhibitors of, 41, 257, 572-4, 617
insulin and, 264, 593
measurement of, 4 2 - 3 , 247
metabolic inhibitors and, 253
oestrogens and, 617
organ cultures and, 70
oxygen tension and, 260
-promoting factor, 292
separate from cell division, 228
stimulation of, 5, 41
suspension cultures and, 69
thyroxine, T 3 and, 640, 644
tissue culture and, 3, 4
unorganized, 4, 70, 145, 148, 157,173,
644
vitamins and, 660, 682, 685
Growth hormone (see also Somatotrophin)
593-601
on bone growth, 600
in combination with insulin, 5 9 4 - 5 ,
6 0 0 - 1 , 615
and corticosteroids, 607-8, 615
on fibroblasts, 594, 607-8
and glucokinase reaction, 595, 601
and gonadotrophins, 606
and mammary gland, 638
and mitotic rate, 5 9 4 - 5 , 607
and protein synthesis, 601
Growth rate (see also Mitotic index),
amino acids and, 113, 570
of blastoderms, 570
of b o n e rudiments, 614, 641
calcium and, 155
and carbohydrate metabolism, 244
and dedifferentiation, 294
and migration rate, 153
and mucopolysaccharide production,
373, 376
and protein turnover, 293
of skin and pigment formation, 644
steroids and, 167
thyroxine and, 641
triiodothyronine and, 643
Guanine,
and cytosine, 319, 445
in D N A and R N A , 317
precursors of, 300
Gulonic acid,
and vitamin G, 682
Gut,
regions o f gastrula developing, 536-7
Gynandromorphism, 581
H
Haemoglobin,
embryological appearance of, 578
in medium, 82
toxicity of, 82
Haemopoiesis,
mitosis in, 224
Hair follicles,
regeneration o f epidermis from, 667
Hallochrome,
and melanin formation, 644
Hanging-drop method,
advantages and disadvantages, 36-8
alteration o f cells in, 33, 37
for culture o f ova, 576
description of, 29-38
double-coverslip method of, 38
mica and, 29, 32
origin of, 3
for self-aggregation, 494, 502
Hanks' solution, 100, 109, 131, 298
Hanks' and Wallace's solution, 100, 129,
131
Hassall's corpuscles, 143
Head-fold ( H F ) ,
stage o f blastoderm, 472
H e a d process,
induction b y different parts, 557, 558
stage, reached b y mammalian ova, 578